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Re: More on wifi range - Pi PICO W Oil level sensor

From rbowman <bowman@montana.com>
Newsgroups comp.sys.raspberry-pi, comp.os.linux.misc
Subject Re: More on wifi range - Pi PICO W Oil level sensor
Date 2025-12-25 02:29 +0000
Message-ID <mr3lsdF6vguU7@mid.individual.net> (permalink)
References <10h8unl$oq21$1@dont-email.me> <u1pr0mx06p.ln2@Telcontar.valinor> <10ig6ej$rlld$1@dont-email.me> <10iglir$1086g$2@dont-email.me>

Cross-posted to 2 groups.

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On Wed, 24 Dec 2025 12:16:27 +0000, The Natural Philosopher wrote:

> On 24/12/2025 07:58, mm0fmf wrote:
>> On 11/12/2025 21:18, Carlos E.R. wrote:
>>> Home made with a box of Pringles. just google for "pringles wifi
>>> antenna".
>> 
>> Also Google cutoff frequency and see that the Pringle tube is too small
>> in diameter to be effective at 2.4GHz.
>> 
> Assuming that is a relevant issue.
> 
> Shouting down a pipe whose diameter is way less than the wavlength of
> voice frequencies, still works....

True, but the benefits of impedance matching with a megaphone were 
discovered long ago. 

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Thread

Re: More on wifi range - Pi PICO W Oil level sensor mm0fmf <none@invalid.com> - 2025-12-24 07:58 +0000
  Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-24 12:16 +0000
    Re: More on wifi range - Pi PICO W Oil level sensor John R Walliker <jrwalliker@gmail.com> - 2025-12-24 14:04 +0000
      Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-24 14:23 +0000
        Re: More on wifi range - Pi PICO W Oil level sensor "Kerr-Mudd, John" <admin@127.0.0.1> - 2025-12-24 17:00 +0000
          Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-24 20:07 +0000
            Re: More on wifi range - Pi PICO W Oil level sensor mm0fmf <none@invalid.com> - 2025-12-24 23:17 +0000
              Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-25 03:23 +0000
                Re: More on wifi range - Pi PICO W Oil level sensor rbowman <bowman@montana.com> - 2025-12-25 07:32 +0000
            Re: More on wifi range - Pi PICO W Oil level sensor c186282 <c186282@nnada.net> - 2025-12-24 21:16 -0500
        Re: More on wifi range - Pi PICO W Oil level sensor "Carlos E.R." <robin_listas@es.invalid> - 2025-12-27 21:51 +0100
          Re: More on wifi range - Pi PICO W Oil level sensor The Natural Philosopher <tnp@invalid.invalid> - 2025-12-27 23:31 +0000
            Re: More on wifi range - Pi PICO W Oil level sensor rbowman <bowman@montana.com> - 2025-12-27 23:58 +0000
      Re: More on wifi range - Pi PICO W Oil level sensor Lars Poulsen <lars@beagle-ears.com> - 2025-12-24 23:01 +0000
    Re: More on wifi range - Pi PICO W Oil level sensor rbowman <bowman@montana.com> - 2025-12-25 02:29 +0000
  Re: More on wifi range - Pi PICO W Oil level sensor Lars Poulsen <lars@beagle-ears.com> - 2025-12-24 22:53 +0000

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